Senior Solution Architect - Professional Services

At Klaviyo, we value the unique backgrounds, experiences and perspectives each Klaviyo (we call ourselves Klaviyos) brings to our workplace each and every day. We believe everyone deserves a fair shot at success and appreciate the experiences each person brings beyond the traditional job requirements. If you’re a close but not exact match with the description, we hope you’ll still consider applying. Want to learn more about life at Klaviyo? Visit klaviyo.com/careers to see how we empower creators to own their own destiny.

About the Role

Professional Services team members are critical to our customers’ success. They combine enterprise-grade project ownership, deep Klaviyo and martech expertise, and consultative engagement skills to deliver high-impact implementations and strategic technical solutions for complex customers. They lead scoped, post-sales engagements, shaping how work is delivered and scaled.

In this role, you will

Own strategic customer engagements end-to-end, from shaping delivery in partnership with Sales to driving successful implementation and long-term adoption alongside Customer Success and Partner teams.

Operate as a senior individual contributor who is trusted by customers and internal stakeholders to lead through complexity, influence at the executive level, and consistently deliver measurable outcomes for enterprise accounts.

Combine strong delivery/project leadership with technical depth and solution design.

How You’ll Make a Difference

Core Responsibilities

Shape and scope strategic engagements

Assist in defining Statements of Work (SOWs) that clearly articulate scope, deliverables, timelines, dependencies, and success metrics for complex technical engagements, ensuring alignment between customer goals and Klaviyo delivery capabilities.

Lead consultative conversations with customers to clarify business objectives, identify risks, and translate desired outcomes into actionable technical implementation plans.

Lead strategic technical engagements

Serve as the owner for key technical phases of the customer journey, ensuring projects are delivered on time, on budget, and in line with agreed outcomes.

Build strong stakeholder relationships and communicate effectively with internal and external stakeholders to maintain visibility, accountability, and momentum toward customer goals.

Anticipate risks, build mitigation strategies, and adjust plans to keep enterprise projects on track.

Act as a strategic advisor and subject-matter expert

Become a deep expert in the Klaviyo platform and surrounding martech ecosystem, from data models and integrations to messaging channels (Email, SMS) and CDP use cases.

Translate customer business goals into technical and operational solutions that leverage platform capabilities and best practices.

Educate and enable internal teams and customer stakeholders, becoming the go-to resource for complex questions, best practices, and solution tradeoffs.

Drive repeatable, scalable solutions and continuous improvement

Approach engagements with a highly analytical mindset - solving for the specific customer first, then identifying patterns and codifying repeatable solutions or feeding insights to internal product and engineering teams.

Contribute to internal initiatives and process improvements that elevate overall Professional Services delivery quality and consistency.

Maintain excellent operational hygiene by regularly updating tools and systems (e.g., project status, risks, timesheets) without management reminders.

Lead through influence and mentorship

Demonstrate executive presence and the ability to articulate solution tradeoffs, securing buy-in from technical and non-technical stakeholders across all organizational levels.

Provide informal coaching and mentorship to peers, sharing best practices and supporting skill development across the team.

Technical Solution Leadership

Serve as an ongoing technical advisor for enterprise customers, translating busine